polars_sql::function_registry

Struct DefaultFunctionRegistry

pub struct DefaultFunctionRegistry {}

Expand description

A default registry that does not support registering or calling functions.

Trait Implementations§

impl FunctionRegistry for DefaultFunctionRegistry

fn register( &mut self, _name: &str, _fun: UserDefinedFunction, ) -> PolarsResult<()>

Register a function.

fn get_udf(&self, _name: &str) -> PolarsResult<Option<UserDefinedFunction>>

Call a user defined function.

fn contains(&self, _name: &str) -> bool

Check if a function is registered.

Auto Trait Implementations§

impl Freeze for DefaultFunctionRegistry

impl RefUnwindSafe for DefaultFunctionRegistry

impl Send for DefaultFunctionRegistry

impl Sync for DefaultFunctionRegistry

impl Unpin for DefaultFunctionRegistry

impl UnwindSafe for DefaultFunctionRegistry

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

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